add compatability notes about the bybusyness lbmethod (reported on IRC)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1033595 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/mod/mod_proxy.xml b/docs/manual/mod/mod_proxy.xml
index b6733ef988b6cf32dd2ac32d6cec0ff4e77c95d7..249631a5fbe738b1aa2e40e1c6b8d32e59130760 100644 (file)
--- a/docs/manual/mod/mod_proxy.xml
+++ b/docs/manual/mod/mod_proxy.xml
@@ -948,8 +948,9 @@ expressions</description>
         <td>Balancer load-balance method. Select the load-balancing scheduler
         method to use. Either <code>byrequests</code>, to perform weighted
         request counting, <code>bytraffic</code>, to perform weighted
-        traffic byte count balancing, or <code>bybusyness</code>, to perform 
-        pending request balancing. Default is <code>byrequests</code>.
+        traffic byte count balancing, or <code>bybusyness</code> 
+        (Apache HTTP Server 2.2.10 and later), to perform pending request 
+        balancing. Default is <code>byrequests</code>.
     </td></tr>
     <tr><td>maxattempts</td>
         <td>One less than the number of workers, or 1 with a single worker.</td>

diff --git a/docs/manual/mod/mod_proxy_balancer.xml b/docs/manual/mod/mod_proxy_balancer.xml
index 73ceb96f6ff19de7355d277e509fe8c428aad352..78ac353eb3be6e59d505068cc4ff4a0caf828ee6 100644 (file)
--- a/docs/manual/mod/mod_proxy_balancer.xml
+++ b/docs/manual/mod/mod_proxy_balancer.xml
@@ -336,6 +336,8 @@ candidate lbstatus -= total factor</code></pre>
     tie. Over time, the distribution of work will come to resemble that
     characteristic of <code>byrequests</code>.</p>
 
+    <p>This algorithm is available in Apache HTTP Server 2.2.10 and later.</p>
+
 </section>
 
 <section id="environment">